Banning Cassandra from the Market? An Empirical Analysis of Short-Selling Bans during the Covid 19 Crisis
38 Pages Posted: 22 Jul 2020
Date Written: July 14, 2020
Abstract
During the recent COVID-19 pandemic crisis, stock markets around the world have witnessed an abrupt decline in security prices and an unprecedented increase in security volatility. In response to a week of financial turmoil on the main European stock markets, some market regulators in Europe, including France, Austria, Italy, Spain, Greece, and Belgium, passed temporary short-selling bans in an attempt to stop downward speculative pressures on the equity market and stabilize and maintain investors’ confidence. This paper examines the effects of these short-selling bans on market quality during the recent pandemic caused by the spread of COVID-19. Our results suggest that during the crisis, banned stocks had higher information asymmetry, lower liquidity, and lower abnormal returns compared with non-banned stocks. These findings confirm prior theoretical arguments and empirical evidence in other settings that short-selling bans are not effective in stabilizing financial markets during periods of heightened uncertainty. In contrast, they appear to undermine the policy goals market regulators intended to promote.
Keywords: Equity Markets, Covid-19 Pandemic, Short-selling bans
JEL Classification: G01, G18, K22
Suggested Citation: Suggested Citation
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